/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.jsdt.internal.ui.javadocexport;
import java.util.ArrayList;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.core.IPackageFragment;
import org.eclipse.wst.jsdt.core.IPackageFragmentRoot;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.core.JavaScriptModelException;
import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
public class JavadocProjectContentProvider implements ITreeContentProvider {
/*
* @see ITreeContentProvider#getChildren(Object)
*/
public Object[] getChildren(Object parentElement) {
try {
if (parentElement instanceof IJavaScriptProject) {
IJavaScriptProject project= (IJavaScriptProject) parentElement;
return getPackageFragmentRoots(project);
} else if (parentElement instanceof IPackageFragmentRoot) {
return getPackageFragments((IPackageFragmentRoot) parentElement);
}
} catch (JavaScriptModelException e) {
JavaScriptPlugin.log(e);
}
return new Object[0];
}
/*
* @see IStructuredContentProvider#getElements(Object)
*/
public Object[] getElements(Object inputElement) {
IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
try {
return JavaScriptCore.create(root).getJavaScriptProjects();
} catch (JavaScriptModelException e) {
JavaScriptPlugin.log(e);
}
return new Object[0];
}
/*
* @see ITreeContentProvider#getParent(Object)
*/
public Object getParent(Object element) {
IJavaScriptElement parent= ((IJavaScriptElement)element).getParent();
if (parent instanceof IPackageFragmentRoot) {
IPackageFragmentRoot root= (IPackageFragmentRoot) parent;
if (root.getPath().equals(root.getJavaScriptProject().getProject().getFullPath())) {
return root.getJavaScriptProject();
}
}
return parent;
}
/*
* @see ITreeContentProvider#hasChildren(Object)
*/
public boolean hasChildren(Object element) {
return (getChildren(element).length > 0);
}
/*
* @see IContentProvider#dispose()
*/
public void dispose() {
}
/*
* @see IContentProvider#inputChanged(Viewer, Object, Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
private Object[] getPackageFragmentRoots(IJavaScriptProject project) throws JavaScriptModelException {
ArrayList result= new ArrayList();
IPackageFragmentRoot[] roots= project.getPackageFragmentRoots();
for (int i= 0; i < roots.length; i++) {
IPackageFragmentRoot root= roots[i];
if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
if (root.getPath().equals(root.getJavaScriptProject().getPath())) {
Object[] packageFragments= getPackageFragments(root);
for (int k= 0; k < packageFragments.length; k++) {
result.add(packageFragments[k]);
}
} else {
result.add(root);
}
}
}
return result.toArray();
}
private Object[] getPackageFragments(IPackageFragmentRoot root) throws JavaScriptModelException {
ArrayList packageFragments= new ArrayList();
IJavaScriptElement[] children= root.getChildren();
for (int i= 0; i < children.length; i++) {
if (((IPackageFragment) children[i]).containsJavaResources())
packageFragments.add(children[i]);
}
return packageFragments.toArray();
}
}